Improvement in wrenches



nut is held by the spring.

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JOHN BURT, or FALL RIVE E,- MAssAcHUsETTs, Assi'eNoE ToHrM- sELE AND WILLET M. s LocUM, oF SAME PLACE.-

Letters' Patent No.. 85,276, dated December 29,1868.

The Schedule referred to in these Letters-Patent and mal-:ing part of the sama. o -v lMy' invention consists-in th'e .application of a spring to the jaw ofpayvrench, for the purposeof keeping a continued pressure on the nut, so that' when the nut is removed from the bolt, it will be held by the spring.

Y Figne 1 is a perspective view of a Wrench with niy invention applied thereto.

Figure 2 is a view of the jaws of a wrench with my invention applied, and shows the inanner in which the Fig'l. Al -is the stationary jaw of Ia wrench; B, slidingY jaw; O, -spring applied to B.

Fig. 2. Az, stationary jawbf wrench; B2, sliding jaw; G2, spn'ng3-D2, nut.

The spring being secured to the jaw, as shown, its operation may be noted.

Tby LettersifPatent, is-

When the jaws of' the wrench are brought against the nut, as shown in iig. 2, the spring is depressed;

and when"the nut is removed from the bolt, the press.

ure of the spring will hold Vit as between the thumb and finger.

This wrench is particularly applicable for removingA nuts from the alxles of cariagenas it will' keep the hand ii'om being soiled,fand will hold the nut until itf is replaced, thus preventing the danger of dropping and having to searehfor lthe nut. U

In this invention, Ido not con-.line myself toapplying the spring'- to the sliding jaw, as sho\vn it may be aflxed to either jaw, or'back of the sliding jaw neither do I claim any device previously .invented or patented,

for holding a nut in the jaws of a wrench; but

WhatI claim as my invention, and desire to secure SpringO, constructed, applied, and operatingas herein set forth, for the purpose specified.

JOHN BURT. Witnesses:

JONATHAN M. Woon, PHILIP S. BURT. 

